Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock and Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2016	$ 54,451	$ 15,364	$ 39,824	$ (737)
Increase (Decrease) in Stockholders' Equity
Net income	768	0	768	0
Other comprehensive income (loss), net of tax effect	387	0	0	387
Cash dividends	(452)	0	(452)	0
Amortization of unearned compensation, restricted stock awards	30	30	0	0
Issuance of common stock - vested shares	90	90	0	0
Repurchase of common stock	(7)	(7)	0	0
Balance at Mar. 31, 2017	55,267	15,477	40,140	(350)
Balance at Dec. 31, 2017	56,142	15,526	40,491	125
Increase (Decrease) in Stockholders' Equity
Net income	1,586	0	1,586	0
Other comprehensive income (loss), net of tax effect	(717)	0	0	(717)
Cash dividends	(453)	0	(453)	0
Amortization of unearned compensation, restricted stock awards	31	31	0	0
Issuance of common stock - vested shares	85	85	0	0
Repurchase of common stock	(8)	(8)	0	0
Balance at Mar. 31, 2018	$ 56,666	$ 15,634	$ 41,624	$ (592)